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Computing on the Road
<Only for CF-F8/CF-W8 Series>
Minimize power consumption for the CD/DVD drive (Î page 46)
When using this computer with the battery pack only
z We recommend against using applications that place a significant load on the CPU.
Some screen saver place a large burden on the CPU even when you are not operating the computer.
We recommend that you do not use a screen saver.
NOTE
z To extend the battery operation time, activate the power saving function of the USB2.0 Root Hub.
In the default setting, the power saving function is activated.
When the power saving function is deactivated (Î page 77), remove the check mark from [Allow the computer to turn
off this device to save power.]. The battery running time will be reduced to some extent.
A single setting allows you to enable all the following power saving features. Enable each of these functions to prolong bat-
tery operation time.
z Screen display power saving function
Refresh rate will automatically be reduced to 40 Hz, if the internal LCD brightness level is set below 20cd/m
2
while using
the battery. When [Enable] is set, the displayed screen may be distorted.
z Intel video driver power saving function (Intel(R) Display Power Saving Technology)
This function adjusts video contrast, color and other factors to lower internal LCD power consumption while retaining ade-
quate image quality.
Disable this function for work that requires subtle image and color nuances or in video editing using video editing applica-
tions.
z Sound driver power saving function
If you do not use sound for a specific time period, the power saving mode will automatically be engaged to reduce power
consumption.
z Wired LAN standby power saving function
Enabling this function disables the Wake Up from wired LAN function to save power in standby/hibernation.
Disable this function if you want to use the Wake Up from wired LAN function.
z Wireless LAN standby power saving function
Enabling this function disables the Wake Up from wireless LAN function to save power in standby/hibernation.
Disable this function if you want to use the Wake Up from wireless LAN function.
Using Power Saving Utility